52 THE CANADIAN NATURALIST. [Yol. vi. 



of iron J having evidently suggested the name by which the pro- 

 montory is known. The latter, as stated in a preceding para- 

 graph, marks the southern limit of the metamorphic belt, the 

 contact of this with the Mesozoic traps being well exposed in a 

 small cove upon its western side. The red slates last described, 

 dipping northward, here meet and are covered by a coarse con- 

 glomerate made of dark trap pebbles, which in turn underlies and 

 passes into coarsely columnar trap, these being the first of a suc- 

 cession of such beds forming the northern shore of Benson's Cove. 

 Several small groups of islands lie to the south and east of the 

 promontory last described. These I have only partially examined, 

 but as they exhibit some features not met with upon the main- 

 land, they may be briefly alluded to here. The first of these 

 groups is that known as the Wood Islands, distinguished as the 

 Inner and Outer Wood Islands. Upon the former the rocks bear 

 much resemblance to those seen alone; the western side of Grand 

 Harbour, described above. They are rather fine grained rocks, 

 of bright green, red, and purple colours, often diversified with 

 paler bands and blotches, and more or less filled with amygdules 

 of calcite and epidote. These beds are associated with sandstones 

 (and some conglomerates) of deep red and purplish red colours, 

 sometimes finely banded and alternating with thinner beds of 

 pale grey feldspathic schist and impure dolomite. These rocks, 

 with occasional masses of trap, form nearly the whole of the wes- 

 tern side of the island, as well as its northern extremity, their 

 dip being somewhat variable, but where most regular, about N. 

 20 to 60*^ E. :>► 40*^. The sandstones are at some points very 

 curiously and conspicuously marked by narrow veins (one-fourth 

 of an inch wide) of fibrous calcite or satin spar, which fill short 

 lenticular cavities arranged in parallel and overlapping lines, at 

 right angles to the bedding of the rock. 



Outer Wood Island, at the only point seen by me (on its 

 eastern side), is composed of hard greenish-grey siiico- feldspathic 

 rocks, with very obscure stratification. 



The group of the Three Islands lies to the south and east of 

 that last described, and with the exception of Gannet Rock, on 

 which a light-house is built, is the most southerly of the chain of 

 islands about the entrance of the Bay of Fundy. On the larger 

 island of this group, known as Kent's Island, are beds of crystal- 

 line limestone. They are mostly light coloured but mottled with 

 shades of green, grey, or pink, and are rendered impure by a 



